cnidaria
are cnidaria vertabrates or invertabrates
vertabrates
do that contain organs
yep
what is symbiosis
when 2 or more organisms have a relationship with one and other
artho-jointed
pod-foot
what is a crustacea
crust or shell
do they have tissues?
yes
what are the 4 body structures
cephalo, pod,mantle,radula
what are the 3 types of symbiosis
mutualism,commensalism, parasitism
what does segmented mean
the body contains different parts or sections
what are the 4 classes of cnidarians
anthozoa,scyphozoa,cubozoa,hydrozoa
do they have organs
no
what are the 3 classes of phylum mollusca
cephalopod ,bivalve,gastropod
what is mutualism
when 2 or more organisms both benefit
what is their exoskeleton called
carapace
what does bivalve contain
2 shells, examples, clams, muscles,oysters
what are nematocysts
stinging cells
what are the external body parts
fin,mantle,chromatophores,eye, arm, tentacles,suction cups, pen,
what is commensalism
one organism benefits but the other is unaffected
what is carapace made out of
chitin-a strong protein
molts
what does gastropod contain
1 shell or no shell
what are the 2 body forms
polp and medusa
what are the internal body parts
gills,gonad,heart,brain,beak,ink sac, siphon
what is parasitism
one organism benefits but the other is harmed
what is molting
when the exoskeleton shed so the animal can grow
which is the best symbiosis for both organisms
mutualism